Day/ Month1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | X | Max | N
| 1 | ~ | ~ | 13 | 21 | 43 | 44 | 21 | 25 | 22 | 13 | 12 | 17 | 20 | 19 | 19 | 29 | 19 | 18 | 18 | 22 | 18 | 33 | 30 | 24 | 22 | 23 | 23 | 25 | 21 | 14 | 15 | 22.17 | 44.00 | 29.00
| 2 | 32 | 35 | 34 | 25 | 12 | 14 | 21 | 20 | 30 | 33 | 18 | 13 | 14 | 24 | 39 | 18 | 20 | 28 | 27 | 16 | 17 | 19 | 18 | 20 | 26 | 35 | 41 | 29 | ~ | ~ | ~ | 24.21 | 41.00 | 28.00
| 3 | 22 | 25 | 21 | 24 | 28 | ~ | 26 | 25 | 29 | 36 | 21 | 24 | ~ | 28 | 26 | 21 | 21 | 26 | 26 | ~ | 23 | 22 | 22 | 27 | 23 | 18 | ~ | 20 | 22 | 27 | 26 | 24.41 | 36.00 | 27.00
| 4 | 36 | 30 | ~ | ~ | 31 | 29 | 22 | 20 | 25 | ~ | 16 | 17 | 17 | 16 | 22 | 29 | ~ | 28 | 30 | 32 | 29 | 37 | 52 | ~ | 19 | 20 | 22 | 24 | 28 | 28 | ~ | 26.36 | 52.00 | 25.00
| 5 | ~ | ~ | 20 | 10 | 8.00 | 10 | 13 | ~ | ~ | 29 | 26 | 65 | 46 | 17 | ~ | ~ | 13 | 12 | 19 | 12 | 16 | ~ | ~ | 43 | 17 | 25 | 25 | 15 | ~ | ~ | 18 | 21.86 | 65.00 | 21.00
| 6 | 18 | 25 | 31 | 30 | ~ | 28 | 26 | 21 | 22 | 21 | 22 | ~ | 32 | 28 | 19 | 20 | 19 | 15 | ~ | 20 | 19 | 18 | 23 | 23 | 15 | ~ | 18 | 19 | 23 | 25 | ~ | 22.31 | 32.00 | 26.00
| 7 | 23 | 21 | ~ | ~ | ~ | 9.00 | 12 | 16 | 13 | ~ | 22 | 24 | 27 | 26 | 24 | 18 | ~ | 27 | 26 | 24 | 26 | 20 | 18 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 20.89 | 27.00 | 18.00
| 8 | 21 | 20 | 19 | 21 | 21 | 17 | ~ | 14 | 18 | 24 | 13 | 14 | 15 | ~ | 15 | 16 | 17 | 14 | 13 | 10 | ~ | 19 | 19 | ~ | ~ | 15 | 15 | ~ | 45 | 37 | 17 | 18.76 | 45.00 | 25.00
| 9 | 18 | 23 | 31 | ~ | 22 | 22 | 32 | 51 | 36 | 40 | ~ | 31 | 29 | 25 | 24 | 19 | 10 | ~ | 20 | 19 | 19 | 29 | 37 | 26 | ~ | 48 | 41 | 24 | 23 | 20 | ~ | 27.65 | 51.00 | 26.00
| 10 | 16 | ~ | 24 | 23 | 22 | 26 | 26 | 25 | ~ | 19 | 21 | 28 | 28 | 22 | 21 | ~ | 22 | 21 | 20 | 19 | 17 | 18 | ~ | 50 | 52 | 53 | 41 | 52 | 52 | ~ | ~ | 28.72 | 53.00 | 25.00
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Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples
Quarter
concentration classes in IHd multiplestotal ind.
| part of it in IHd multiples
max. date
<=1/3 | <=2/3 | <=1.0 | <=1.5 | <=2.0 | <=3.0 | <=4.0
| >
| 1/3 | 2/3 | 1.0 | 1.5 | 2.0
| 3.0 | 4.0
| concentration classes in measurement units
part of above IHd multiples in meas. units
0- 33 | 34- 67 | 68- 100 | 101- 150 | 151- 200 | 201- 300 | 301- 400 | over 400 | 33 | 67 | 100 | 150 | 200 | 300 | 400
| |
|
|
ABS. | 76 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 84
| 8 | 0 | 0 | 0 | 0 | 0 | 0 | 44
| REL. | 90.4 | 9.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 9.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.1
| ID | 90 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 66 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 72
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 65
| REL. | 91.6 | 8.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 8.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.5
| ID | 91 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 61 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 69
| 8 | 0 | 0 | 0 | 0 | 0 | 0 | 51
| REL. | 88.4 | 11.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 11.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 8.9
| ID | 88 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 19 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 252
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 53
| REL | 76.0 | 24.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 24.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 26.10
| ID | 76 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 222 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 250
| 28 | 0 | 0 | 0 | 0 | 0 | 0 | 65 | REL. | 88.8 | 11.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 11.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.5
| ID | 88 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 100
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Note:
| 1 frequency < 60 per quarter, or < 240 per annum
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2 frequency < 30 per quarter, or < 120 per annum
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